As NVR systems process the video information at the camera instead of on the recorder. The cameras in NVR systems are far more strong than their DVR counterparts. NVR systems use IP cameras which are standalone image capturing devices.
IP cameras every have a chipset that is capable of processing the
video information that is then transmitted to a recorder. In contrast to analog cameras, IP cameras are usually all capable of recording audio and also video. There are lot of powerful hardware on IP cameras additionally allows improved good practicality and video analytics, like biometric authentication.